"""调用函数"""
print(abs(-100))
print(max(1,2,30,5,8,15))
# 数据类型转换函数
print(int('123'))
print(int(122.34))
print(float('12.45'))
print(str(1.23))
print(bool(1))

# 完全可以把函数名赋给一个变量，相当于给这个函数起了一个“别名”
a = abs
print(a(-1))

n1 = 255
n2 = 1000
print(hex(n1))
print(hex(n2))